Question

A 62-year-old with CKD stage 3b (eGFR 38) and T2DM has A1C 7.2% on metformin 1,000 mg bid. What is the correct metformin guidance?

Accepted Answer

Continue metformin; consider dose reduction and monitor; contraindicated only if eGFR <30

Answer

Stop metformin because eGFR <45

Answer

Continue full dose regardless of eGFR

Answer

Contraindicated at any CKD stage

Answer

Switch to insulin immediately

Practice question

A 62-year-old with CKD stage 3b (eGFR 38) and T2DM has A1C 7.2% on metformin 1,000 mg bid. What is the correct metformin guidance?